]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/CGI.pm
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[git.ikiwiki.info.git] / IkiWiki / CGI.pm
index e23ef8afd748e66caefe29b0e09a69e06e7d1229..2b772700067ca9c942d2f56138ebd21fb6e16dfb 100644 (file)
@@ -180,13 +180,20 @@ sub cgi_signin ($$) { #{{{
 sub cgi_postsignin ($$) { #{{{
        my $q=shift;
        my $session=shift;
-
+       
        # Continue with whatever was being done before the signin process.
-       my $postsignin=CGI->new($session->param("postsignin"));
-       $session->clear("postsignin");
-       cgi($postsignin, $session);
-       cgi_savesession($session);
-       exit;
+       if (defined $session->param("postsignin")) {
+               my $postsignin=CGI->new($session->param("postsignin"));
+               $session->clear("postsignin");
+               cgi($postsignin, $session);
+               cgi_savesession($session);
+               exit;
+       }
+       else {
+               # This can occur, for example, if a user went to the signin
+               # url via a bookmark.
+               redirect($q, $config{url});
+       }
 } #}}}
 
 sub cgi_prefs ($$) { #{{{
@@ -325,12 +332,16 @@ sub cgi_editpage ($$) { #{{{
        
        my $file;
        my $type;
-       if (exists $pagesources{$page}) {
+       if (exists $pagesources{$page} && $form->field("do") ne "create") {
                $file=$pagesources{$page};
                $type=pagetype($file);
                if (! defined $type) {
                        error(sprintf(gettext("%s is not an editable page"), $page));
                }
+               if (! $form->submitted) {
+                       $form->field(name => "rcsinfo",
+                               value => rcs_prepedit($file), force => 1);
+               }
        }
        else {
                $type=$form->param('type');
@@ -343,18 +354,16 @@ sub cgi_editpage ($$) { #{{{
                }
                $type=$config{default_pageext} unless defined $type;
                $file=$page.".".$type;
-       }
-
-       my $newfile=0;
-       if (! -e "$config{srcdir}/$file") {
-               $newfile=1;
+               if (! $form->submitted) {
+                       $form->field(name => "rcsinfo", value => "", force => 1);
+               }
        }
 
        $form->field(name => "do", type => 'hidden');
        $form->field(name => "from", type => 'hidden');
        $form->field(name => "rcsinfo", type => 'hidden');
        $form->field(name => "subpage", type => 'hidden');
-       $form->field(name => "page", value => $page, force => 1);
+       $form->field(name => "page", value => pagetitle($page, 1), force => 1);
        $form->field(name => "type", value => $type, force => 1);
        $form->field(name => "comments", type => "text", size => 80);
        $form->field(name => "editcontent", type => "textarea", rows => 20,
@@ -364,16 +373,12 @@ sub cgi_editpage ($$) { #{{{
        $form->tmpl_param("helponformattinglink",
                htmllink("", "", "HelpOnFormatting", noimageinline => 1));
        $form->tmpl_param("baseurl", baseurl());
-       if (! $form->submitted) {
-               $form->field(name => "rcsinfo", value => rcs_prepedit($file),
-                       force => 1);
-       }
        
        if ($form->submitted eq "Cancel") {
-               if ($newfile && defined $from) {
+               if ($form->field("do") eq "create" && defined $from) {
                        redirect($q, "$config{url}/".htmlpage($from));
                }
-               elsif ($newfile) {
+               elsif ($form->field("do") eq "create") {
                        redirect($q, $config{url});
                }
                else {
@@ -382,18 +387,11 @@ sub cgi_editpage ($$) { #{{{
                return;
        }
        elsif ($form->submitted eq "Preview") {
-               my $content=$form->field('editcontent');
-               my $comments=$form->field('comments');
-               $form->field(name => "editcontent",
-                               value => $content, force => 1);
-               $form->field(name => "comments",
-                               value => $comments, force => 1);
-               $config{rss}=$config{atom}=0; # avoid preview writing a feed!
                $form->tmpl_param("page_preview",
                        htmlize($page, $type,
                        linkify($page, "",
                        preprocess($page, $page,
-                       filter($page, $content)))));
+                       filter($page, $form->field('editcontent')), 0, 1))));
        }
        else {
                $form->tmpl_param("page_preview", "");
@@ -459,8 +457,8 @@ sub cgi_editpage ($$) { #{{{
                        
                        $form->tmpl_param("page_select", 1);
                        $form->field(name => "page", type => 'select',
-                               options => { map { $_ => pagetitle($_, 1) } @editable_locs },
-                               value => $best_loc);
+                               options => [ map { pagetitle($_, 1) } @editable_locs ],
+                               value => pagetitle($best_loc, 1));
                        $form->field(name => "type", type => 'select',
                                options => \@page_types);
                        $form->title(sprintf(gettext("creating %s"), pagetitle($page)));
@@ -488,6 +486,32 @@ sub cgi_editpage ($$) { #{{{
        else {
                # save page
                check_canedit($page, $q, $session);
+               if (! -e "$config{srcdir}/$file" &&
+                   $form->field("do") ne "create") {
+                       $form->tmpl_param("page_gone", 1);
+                       $form->field(name => "do", value => "create", force => 1);
+                       $form->tmpl_param("page_select", 0);
+                       $form->field(name => "page", type => 'hidden');
+                       $form->field(name => "type", type => 'hidden');
+                       $form->title(sprintf(gettext("editing %s"), $page));
+                       print $form->render(submit => \@buttons);
+                       return;
+               }
+               elsif (-e "$config{srcdir}/$file" &&
+                      $form->field("do") eq "create") {
+                       $form->tmpl_param("creation_conflict", 1);
+                       $form->field(name => "do", value => "edit", force => 1);
+                       $form->tmpl_param("page_select", 0);
+                       $form->field(name => "page", type => 'hidden');
+                       $form->field(name => "type", type => 'hidden');
+                       $form->title(sprintf(gettext("editing %s"), $page));
+                       $form->field("editcontent", 
+                               value => readfile("$config{srcdir}/$file").
+                                        "\n\n\n".$form->field("editcontent"),
+                               force => 1);
+                       print $form->render(submit => \@buttons);
+                       return;
+               }
                
                my $content=$form->field('editcontent');
 
@@ -503,8 +527,6 @@ sub cgi_editpage ($$) { #{{{
                        $form->tmpl_param("failed_save", 1);
                        $form->tmpl_param("error_message", $@);
                        $form->field("editcontent", value => $content, force => 1);
-                       $form->field(name => "comments", value => $form->field('comments'), force => 1);
-                       $form->field("do", "edit)");
                        $form->tmpl_param("page_select", 0);
                        $form->field(name => "page", type => 'hidden');
                        $form->field(name => "type", type => 'hidden');
@@ -513,6 +535,7 @@ sub cgi_editpage ($$) { #{{{
                        return;
                }
                
+               my $conflict;
                if ($config{rcs}) {
                        my $message="";
                        if (defined $form->field('comments') &&
@@ -520,47 +543,46 @@ sub cgi_editpage ($$) { #{{{
                                $message=$form->field('comments');
                        }
                        
-                       if ($newfile) {
+                       if ($form->field("do") eq "create") {
                                rcs_add($file);
                        }
-                       # prevent deadlock with post-commit hook
-                       unlockwiki();
-                       # presumably the commit will trigger an update
-                       # of the wiki
-                       my $conflict=rcs_commit($file, $message,
+
+                       # Prevent deadlock with post-commit hook by
+                       # signaling to it that it should not try to
+                       # do anything (except send commit mails).
+                       disable_commit_hook();
+                       $conflict=rcs_commit($file, $message,
                                $form->field("rcsinfo"),
                                $session->param("name"), $ENV{REMOTE_ADDR});
+                       enable_commit_hook();
+                       rcs_update();
+               }
                
-                       if (defined $conflict) {
-                               $form->field(name => "rcsinfo", value => rcs_prepedit($file),
-                                       force => 1);
-                               $form->tmpl_param("page_conflict", 1);
-                               $form->field("editcontent", value => $conflict, force => 1);
-                               $form->field(name => "comments", value => $form->field('comments'), force => 1);
-                               $form->field("do", "edit)");
-                               $form->tmpl_param("page_select", 0);
-                               $form->field(name => "page", type => 'hidden');
-                               $form->field(name => "type", type => 'hidden');
-                               $form->title(sprintf(gettext("editing %s"), $page));
-                               print $form->render(submit => \@buttons);
-                               return;
-                       }
-                       else {
-                               # Make sure that the repo is up-to-date;
-                               # locking prevents the post-commit hook
-                               # from updating it.
-                               rcs_update();
-                       }
+               # Refresh even if there was a conflict, since other changes
+               # may have been committed while the post-commit hook was
+               # disabled.
+               require IkiWiki::Render;
+               refresh();
+               saveindex();
+
+               if (defined $conflict) {
+                       $form->field(name => "rcsinfo", value => rcs_prepedit($file),
+                               force => 1);
+                       $form->tmpl_param("page_conflict", 1);
+                       $form->field("editcontent", value => $conflict, force => 1);
+                       $form->field("do", "edit", force => 1);
+                       $form->tmpl_param("page_select", 0);
+                       $form->field(name => "page", type => 'hidden');
+                       $form->field(name => "type", type => 'hidden');
+                       $form->title(sprintf(gettext("editing %s"), $page));
+                       print $form->render(submit => \@buttons);
+                       return;
                }
                else {
-                       require IkiWiki::Render;
-                       refresh();
-                       saveindex();
+                       # The trailing question mark tries to avoid broken
+                       # caches and get the most recent version of the page.
+                       redirect($q, "$config{url}/".htmlpage($page)."?updated");
                }
-               
-               # The trailing question mark tries to avoid broken
-               # caches and get the most recent version of the page.
-               redirect($q, "$config{url}/".htmlpage($page)."?updated");
        }
 } #}}}
 
@@ -666,12 +688,12 @@ sub cgi (;$$) { #{{{
                cgi_editpage($q, $session);
        }
        elsif ($do eq 'blog') {
-               my $page=titlepage(decode_utf8($q->param('title')));
-               $page=~s/(\/)/"__".ord($1)."__"/eg; # escape slashes too
+               my $page=decode_utf8($q->param('title'));
+               $page=~s/\///g; # no slashes in blog posts
                # if the page already exists, munge it to be unique
                my $from=$q->param('from');
                my $add="";
-               while (exists $pagecase{lc "$from/$page$add"}) {
+               while (exists $pagecase{lc($from."/".titlepage($page).$add)}) {
                        $add=1 unless length $add;
                        $add++;
                }